Bed frame structure

ABSTRACT

A bed frame structure includes a bottom assembly, two support assemblies, and two armrests. Each support assembly is provided with a pivotally connected point allowing two ends of the support assembly to rotate into folding. One end of each of the two support assemblies is fixed to the bottom assembly, and the two armrests are spaced apart between the two support assemblies. Two ends of the armrests are respectively disposed on the two support assemblies in a manner of being movable up and down. The bottom assembly, the two support assemblies, and the two armrests form a rest space. The two armrests are slid down to positions below the pivotally connected points to fold the two support assemblies respectively.

CROSS REFERENCE TO RELATED APPLICATIONS

This application claims priority to the Chinese Patent Application No. 2020113179424, filed on Nov. 20, 2020, and entitled “FOLDABLE BED FRAME STRUCTURE”, and claims priority to the Chinese Patent Application No. 2020227184616, filed on Nov. 20, 2020, and entitled “BEDSIDE BED”, which are incorporated herein by reference in its entirety.

TECHNICAL FIELD

The present disclosure relates to the field of cribs, and in particular, to a bed frame structure.

BACKGROUND

A crib is a baby product for a baby to rest, which provides convenience for the caregiver to take care of the baby. At present, there are a large quantity of cribs having different shapes, structures, and folding principles on the market. The crib frame in the prior art has a complicated structure. A relatively large quantity of steps are required to fold the existing crib frame, but a volume of the folded crib frame is still relatively large. Therefore, it is inconvenient to carry and transport. In addition, the existing crib frame has a large quantity of joints and a complex structure, which is prone to jam and abrasion, causing more troubles and much inconvenience for the user. In this way, the usage performance of the crib frame is reduced.

SUMMARY

A bed frame structure is provided according to some embodiments.

The bed frame structure includes a bottom assembly and two support assemblies. Bottoms of the two support assemblies are fixed to the bottom assembly, and the two support assemblies are spaced apart above the bottom assembly.

In an embodiment, each support assembly is foldable.

In an embodiment, each support assembly has a pivotally connected point allowing two ends of each support assembly to rotate into a folded position.

In an embodiment, the bed frame structure further includes two armrests. The two armrests are spaced apart between the two support assemblies. Two ends of the armrests are respectively disposed on the two support assemblies in a manner to be movable up and/or down. The bottom assembly, the two support assemblies, the two armrests cooperatively form a rest space. When the two armrests slide down to positions below the pivotally connected points, the two support assemblies can be folded respectively.

In an embodiment, each support assembly includes two support rods and a connecting rod, the pivotally connected point is disposed at a position between two ends of the support rod, the connecting rod is fixedly connected between the two support rods, one ends of the two support rods are fixed to the bottom assembly, and the two armrests are each disposed on the two support rods in a manner to be movable up and/or down.

In an embodiment, each support rod includes a first rod portion and a second rod portion, the first rod portion and the second rod portion are pivotally connected by the pivotally connected point, and the second rod portion is fixed to the bottom assembly.

In an embodiment, each support rod further includes a snapping member, one end of the snapping member is movably disposed on one of the first rod portion or the second rod portion, the other end of the snapping member is snapped into the other one of the first rod portion or the second rod portion, and the snapping member is driven to move to be disengaged from the first rod portion or the second rod portion, such that the first rod portion is rotatable into a folded state relative to the second rod portion.

In an embodiment, one of the first rod portion or the second rod portion is provided with a sliding groove, the other one of the first rod portion or the second rod portion is provided with a snapping groove, the snapping member includes a slidable portion and a snapping portion connected to the slidable portion, the slidable portion is movably disposed in the sliding groove, and the snapping portion is snapped in the snapping groove.

In an embodiment, a groove is formed in the slidable portion to easily move the slidable portion.

In an embodiment, each support assembly further includes a first elastic reset member configured to reset the snapping member, and the first elastic reset member is disposed between one of the first rod portion and the second rod portion and the snapping member.

In an embodiment, each armrest is provided with an armrest locking assembly configured to lock the armrest to a top of the support assembly or unlock the armrest from the top of the support assembly.

In an embodiment, the bed frame structure further includes two support legs. The two support legs are spaced apart below the bottom assembly.

In an embodiment, the bottom assembly includes four bottom rods, the four bottom rods are fixedly connected in sequence to form a closed structure, and the two support legs are respectively connected to two opposite bottom rods.

In an embodiment, each support leg is pivotally connected to the bottom rod.

In an embodiment, each support leg is rotatable into a folded state relative to the bottom rod.

In an embodiment, the bottom assembly further includes a transverse rod and sliding assemblies, the transverse rod is connected between the two opposite bottom rods, one end of each sliding assembly is slidably disposed on the transverse rod, the other end of the sliding assembly is pivotally connected to the support leg, and the sliding assembly is slid along the transverse rod to drive the support leg to rotate into a folded state.

In an embodiment, the sliding assembly includes a slidable sleeve and a linkage member, the slidable sleeve is slidably disposed on the transverse rod, one end of the linkage member is pivotally connected to the slidable sleeve, and the other end of the linkage member is pivotally connected to the support leg.

In an embodiment, the sliding assembly further includes a locking member, the locking member is disposed on the slidable sleeve and selectively snapped into the transverse rod, and the locking member is operated to be disengaged from the transverse rod, so that the slidable sleeve is slidable along the transverse rod.

In an embodiment, the locking member includes a hook portion and an unlocking button portion connected to the hook portion, the hook portion is selectively snapped into the transverse rod, the unlocking button portion is pivotally connected to the slidable sleeve, and the unlocking button portion is driven to rotate to drive the hook portion to be disengaged from the transverse rod.

In an embodiment, the sliding assembly further includes a second elastic reset member configured to reset the unlocking button portion, and the second elastic reset member is disposed between the unlocking button portion and the slidable sleeve.

In an embodiment, a positioning portion configured to position the locking member is disposed on the transverse rod.

In an embodiment, the positioning portion includes a first snapping position, and the locking member is snapped into the first snapping position to lock the support legs in an unfolded state relative to the bottom assembly.

In an embodiment, the positioning portion further includes a second snapping position, and the locking member is snapped into the second snapping position to lock the support legs in a folded state relative to the bottom assembly.

In an embodiment, the support leg includes a support leg body and a telescopic portion, an upper end of the support leg body is connected to the bottom assembly, and the telescopic portion is disposed at a lower end of the support leg body in a manner to be transversely movable.

In an embodiment, the support leg further includes a caster, and the caster is pivotally connected to the telescopic portion.

A bed frame structure includes a bed body having an accommodating space and two support legs capable of supporting the bed body. The support legs are foldable relative to the bed body and has an unfolded state and a folded state. Each support leg includes a support portion and a bottom foot connected to the support portion. The bottom foot includes a body portion and a telescopic portion. The telescopic portion is telescopic relative to the body portion and has a stretched state and a retracted state. When the support legs are in a folded state, the telescopic portion is restrained from switching from the retracted state to the stretched state. When the support legs are in the unfolded state, the telescopic portion can be switched from the retracted state to the stretched state.

In an embodiment, the bed frame structure further includes a driving portion and a locking mechanism located on the support leg. When the support legs are in the folded state, the driving portion is operated to lock the locking mechanism, such that the telescopic portion is restrained from switching from the retracted state to the stretched state. When the support legs are in the unfolded state, the driving portion unlocks the locking mechanism, such that the telescopic portion can be switched from the retracted state to the stretched state.

In an embodiment, the driving portion and the locking mechanism are disposed on the bottom foot.

In an embodiment, the support legs are pivotally connected to the bed body.

In an embodiment, when the support legs are folded to the bottom of the bed body to be in the folded state, the driving portion is driven by the bed body to lock the locking mechanism.

In an embodiment, the bed body includes a frame and a first portion disposed at a bottom of the frame. When the support legs are folded to the first portion to be in the folded state, the driving portion is driven by the first portion to lock the locking mechanism.

In an embodiment, the driving portion has a snapping member. The locking mechanism includes a locking member connected to the telescopic portion. A positioning member is disposed on the locking member. The telescopic portion is operated to be in the folded state to drive the locking member to move, and the support legs are operated to be in the retracted state, such that the driving portion is compressed by the first portion to drive the snapping member to snap the positioning member. When the support legs are operated to be in the unfolded state, the positioning member is unlocked from the snapping member, such that the telescopic portion is switched from the retracted state to the stretched state.

In an embodiment, the locking mechanism further includes a fixing portion mounted to the body portion, one end of the locking member is fixedly connected to the telescopic portion, and the other end of the locking member is slidably disposed on the fixing portion.

In an embodiment, the locking member has a sliding portion. The fixing portion is provided with a slidable member extending into the sliding portion. Under the guiding action of the slidable member and the sliding groove, the telescopic portion is retracted into a body portion and is in the retracted state.

In an embodiment, the locking mechanism further includes a reset portion located between the telescopic portion and the fixing portion. The body portion has a hollow structure. The locking member, the fixing portion, and the reset portion are located in the hollow structure. A first mounting groove is formed in the fixing portion. A second mounting groove is formed in the telescopic portion. The reset portion is located between the first mounting groove and the second mounting groove.

In an embodiment, the bed body further includes a connecting member, one end of the connecting member is slidably connected to the first portion, and the other end of the connecting member is connected to the support legs.

In an embodiment, a restoring member is disposed between the fixing portion and the driving portion.

In an embodiment, the driving portion includes a driving portion body and a driving pin located on the driving portion body. The body portion has a through hole. The driving portion body is located in the hollow structure of the body portion. The driving pin extends out of the through hole. When the support legs are in the folded state, the first portion presses the driving pin.

In an embodiment, a first positioning portion is disposed on the driving portion body. A second positioning portion mated with the first positioning portion is disposed on the fixing portion. The driving portion is compressed by the first portion, such that the second positioning portion and the first positioning portion are mutually mated and positioned.

In an embodiment, the second positioning portion is connected to the slidable member and is located on a side of the slidable member facing the driving portion.

In an embodiment, a limiting portion for positioning the first portion is disposed on the body portion.

In an embodiment, a resistance structure is disposed on the locking member, and the telescopic portion is operated to drive the slidable member to overcome the resistance structure to move.

In an embodiment, the resistance structure is located in the sliding portion.

In an embodiment, the resistance structure includes a buffer portion disposed in the sliding portion. When the buffer portion is squeezed by the slidable member, the buffer portion is elastically deformed.

In an embodiment, the resistance structure includes a hollow portion. The hollow portion is disposed on one or two sides of the sliding portion at a position corresponding to the buffer portion. When the buffer portion is squeezed by the slidable member, the buffer portion is elastically deformed toward the hollow portion.

The above description is merely an overview of the technical solutions of this application. In order to understand the technical means of this application more clearly, the detailed description is given below in combination with one or more embodiments of this application and with reference to the accompanying drawings.

BRIEF DESCRIPTION OF THE DRAWINGS

To describe the technical solutions in the embodiments of this application more clearly, the following briefly describes accompanying drawings useful for describing the embodiments. The accompanying drawings in the following description show some embodiments of this application, and a person skilled in the art may still derive other drawings according to these accompanying drawings.

FIG. 1 is a perspective view of a bed frame structure according to an embodiment.

FIG. 2 is a perspective view of a sliding assembly of the bed frame structure shown in FIG. 1 .

FIG. 3 is a front view of the bed frame structure shown in FIG. 1 .

FIG. 4 is a cross-sectional view of a support rod of the bed frame structure shown in FIG. 1 .

FIG. 5 is a schematic diagram showing that armrests of the bed frame structure shown in FIG. 3 slide down to positions below pivotally connected points.

FIG. 6 is a schematic diagram showing that first rod portions of the bed frame structure shown in FIG. 5 rotate inward into a folded state.

FIG. 7 is a schematic diagram showing that support legs of the bed frame structure shown in FIG. 6 rotate inward into a folded state.

FIG. 8 is a top view of the bed frame structure shown in FIG. 7 .

FIG. 9 is a schematic diagram showing that telescopic portions of support legs of the bed frame structure shown in FIG. 8 are retracted inward.

FIG. 10 is a perspective view of support legs of the bed frame structure shown in FIG. 1 in an unfolded state.

FIG. 11 is an enlarged view of portion A in FIG. 10 .

FIG. 12 is a perspective view of support legs of the bed frame structure shown in FIG. 1 in a folded state.

FIG. 13 is an enlarged view of portion B in FIG. 12 .

FIG. 14 is a perspective view of a bed frame structure according to an embodiment.

FIG. 15 is a top view of the bed frame structure shown in FIG. 14 , where telescopic portions are in a stretched state relative to a body portion.

FIG. 16 is a top view of the bed frame structure shown in FIG. 14 , where telescopic portions are in a retracted state relative to a body portion.

FIG. 17 is a side view of the bed frame structure shown in FIG. 1 .

FIG. 18 is an enlarged view of portion A in FIG. 17 .

FIG. 19 is a partial enlarged view of telescopic portions of the bed frame structure shown in FIG. 17 in a retracted state.

FIG. 20 is a perspective view showing that one support leg of the bed frame structure shown in FIG. 14 is in a folded state.

FIG. 21 is a perspective view showing a connection relationship between a bottom foot and a driving portion, where the telescopic portion is in a stretched state.

FIG. 22 is an enlarged view of portion B in FIG. 21 .

FIG. 23 is a perspective view showing a connection relationship between a bottom foot and a driving portion in another state, where the telescopic portion is in a retracted state, and a positioning member is snapped into a snapping member.

FIG. 24 is an enlarged view of portion C in FIG. 23 .

FIG. 25 is a schematic diagram showing a connection relationship between a bottom foot and a driving portion in still another state, which shows that the positioning member is unlocked from the snapping member.

FIG. 26 is an enlarged view of portion D in FIG. 25 .

FIG. 27 is a side view of another embodiment of the bed frame structure shown in FIG. 21 .

FIG. 28 is an enlarged view of portion E in FIG. 27 .

FIG. 29 is a side view of the other telescopic portion of the bed frame structure shown in FIG. 27 during extension and retraction.

FIG. 30 is an enlarged view of portion F in FIG. 29 .

FIG. 31 is a side view of a telescopic portion of the bed frame structure shown in FIG. 29 in another telescopic state.

FIG. 32 is an enlarged view of portion G in FIG. 31 .

FIG. 33 is a side view of a telescopic portion of the bed frame structure shown in FIG. 29 in still another telescopic state.

FIG. 34 is an enlarged view of portion H in FIG. 33 .

DETAILED DESCRIPTION OF THE EMBODIMENTS

For ease of understanding of this application, this application is described more comprehensively below with reference to the accompanying drawings. Example embodiments of this application are provided in the accompanying drawings. However, this application may be implemented in many different forms, and is not limited to the embodiments described in this specification. On the contrary, an objective of providing the embodiments is to understand the content disclosed in this application more clearly and comprehensively.

Unless otherwise defined, meanings of all technical and scientific terms used in this specification are the same as those usually understood by a person skilled in the art to which this application belongs. In this application, terms used in the specification of this application are merely intended to describe objectives of the specific embodiments, but are not intended to limit this application. The term “and/or” used in this specification includes any and all combinations of one or more related listed items.

Referring to FIG. 1 , FIG. 3 , FIG. 5 , and FIG. 6 , a bed frame structure 100 according to an embodiment includes a bottom assembly 1 and two support assemblies 2. Bottoms of the two support assemblies 2 are fixed to the bottom assembly 1, and the two support assemblies 2 are spaced apart above the bottom assembly 1. Each of the two support assembly 2 can be foldable. Specifically, the support assembly 2 has a pivotally connected point 21 allowing two ends of the support assembly to rotate into folding. Further, the bed frame structure 100 further includes two armrests 3. The two armrests 3 are spaced apart between the two support assemblies 2. Two ends of the two armrests 3 are respectively disposed on the two support assemblies 2 in a manner of being movable up and down. The bottom assembly 1, the support assemblies 2, the two armrests 3 cooperatively form a rest space 4. When two armrests 3 slide down to positions below the pivotally connected points 21, the two support assemblies 2 can each be foldable inward, thereby folding the bed frame structure 100. In this way, the operation is simple and convenient in comparison to other approaches.

Referring to FIG. 1 and FIG. 3 , the support assembly 2 includes two support rods 22 and a connecting rod 23. The pivotally connected point 21 is disposed at a position between two ends of each support rod 22. The connecting rod 23 is fixedly connected between the two support rods 22. In this embodiment, one end of the two support rods 22 are fixedly connected to the connecting rod 23, and the other end of the two support rods 22 are fixed to the bottom assembly 1. The two armrests 3 are respectively disposed on the two support rods 22 in a manner to be movable up and/or down. Specifically, each support rod 22 includes a first rod portion 221 and a second rod portion 222. The first rod portion 221 and the second rod portion 222 are pivotally connected by the pivotally connected point 21. A bottom of the second rod portion 222 is fixed to the bottom assembly 1.

Referring also to FIG. 4 , the support rod 22 further includes a snapping member 223. In this embodiment, one end of the snapping member 223 is movably disposed on the first rod portion 221, and the other end of the snapping member 223 is snapped into the second rod portion 222. The snapping member 223 is driven to move to be disengaged from the second rod portion 222, so that the first rod portion 221 is rotatable into a folded state relative to the second rod portion 222. A sliding groove 221 a is formed on the first rod portion 221, and a snapping groove 222 a is formed on a top of the second rod portion 222. The snapping member 223 includes a slidable portion 223 a and a snapping portion 223 b connected to the slidable portion 223 a. The slidable portion 223 a is movably disposed in the sliding groove 221 a, and a part of a structure of the slidable portion 223 a is exposed to an outside. The snapping portion 223 b is snapped into the snapping groove 222 a. The snapping member 223 is pushed upward to move along the sliding groove 221 a, so that the snapping portion 223 b of the snapping member 223 is disengaged from the snapping groove 222 a. In this way, the first rod portion 221 is unlocked from the second rod portion 222, and the first rod portion 221 is rotatable inward into the folded state relative to the second rod portion 222.

Referring to FIG. 4 , a groove 223 c is further formed in the slidable portion 223 a to easily move the slidable portion. A user can apply force to the groove 223 c of the slidable portion 223 a to drive the slidable portion 223 a to move downward. Further, the support assembly 2 further includes a first elastic reset member 6 configured to reset the snapping member 223. In this embodiment, the first elastic reset member 6 is disposed in the sliding groove 221 a and is located between the first rod portion 221 and the snapping member 223. When the snapping member 223 is pushed upward, the snapping member 223 compresses the first elastic reset member 6, so that the snapping portion 223 b is disengaged from the snapping groove 222 a. When no force is applied to the snapping member 223, the snapping portion 223 b is snapped into the snapping groove 222 a again under the action of the elastic restoring force of the first elastic reset member 6. In this embodiment, the first elastic reset member 6 is a compression spring, which is not limited thereto. It may be understood that, in another embodiment, one end of the snapping member 223 is movably disposed on the second rod portion 222, and at this point, the other end of the snapping member 223 is snapped into the first rod portion 221.

Referring to FIG. 1 and FIG. 2 , the bed frame structure 100 further includes two support legs 5. The two support legs 5 are spaced apart below the bottom assembly 1. Specifically, the bottom assembly 1 includes four bottom rods 11. The four bottom rods 11 are fixedly connected in sequence to form a closed rectangular structure. The two support legs 5 are respectively connected to two opposite bottom rods 11. The second rod portion 222 is fixed to each bottom rod 11. In this embodiment, the support legs 5 are pivotally connected to the bottom rods 11, and the support legs 5 are rotatable inward into the folded state relative to the bottom rods 11, so as to fold the bed frame structure 100. Further, the bottom assembly 1 further includes a transverse rod 12 and sliding assemblies 13. The transverse rod 12 is connected between the two opposite bottom rods 11. One end of each sliding assembly 13 is slidably disposed on the transverse rod 12, and the other end of the sliding assembly 13 is pivotally connected to the support leg 5. The sliding assembly 13 is slid along the transverse rod 12 to drive the support leg 5 to rotate into the folded state. Specifically, the sliding assembly 13 includes a slidable sleeve 131 and a linkage member 132. The slidable sleeve 131 is slidably sleeved on the transverse rod 12. One end of the linkage member 132 is pivotally connected to the slidable sleeve 131, and the other end of the linkage member 132 is pivotally connected to the support leg 5. The slidable sleeve 131 is driven to slide along the transverse rod 12, thereby driving the linkage member 132 to rotate, so that the linkage member 132 drives the support leg 5 to rotate inward into the folded state.

As shown in FIG. 2 , further, the sliding assembly 13 further includes a locking member 133. The locking member 133 is disposed on the slidable sleeve 131 and is selectively snapped into a positioning portion on the transverse rod 12. The locking member 133 is operated to be disengaged from the positioning portion on the transverse rod 12, so that the slidable sleeve 131 is slidable along the transverse rod 12. Specifically, the locking member 133 includes a hook portion 133 a and an unlocking button portion 133 b connected to the hook portion 133 a. The hook portion 133 a is selectively snapped into the positioning portion of the transverse rod 12, and the unlocking button portion 133 b is pivotally connected to the slidable sleeve 131. The unlocking button portion 133 b is driven to rotate to drive the hook portion 133 a to be disengaged from the positioning portion of the transverse rod 12, thereby unlocking the slidable sleeve 131, so that the slidable sleeve 131 is movable along the transverse rod 12. In another embodiment, the locking member 133 may also be slidably snapped into the transverse rod 12. The locking member 133 is pulled out, so that the locking member 133 is disengaged from the transverse rod 12, and the slidable sleeve 131 is slidable along the transverse rod 12.

Still referring to FIG. 2 , the sliding assembly 13 further includes a second elastic reset member 7 configured to reset the unlocking button portion 133 b. The second elastic reset member 7 is disposed between the unlocking button portion 133 b and the slidable sleeve 131. When the unlocking button portion 133 b is pressed to rotate, the unlocking button portion 133 b compresses the second elastic reset member 7, and drives the hook portion 133 a to rotate to be disengaged from the transverse rod 12, so that the slidable sleeve 131 is movable along the transverse rod 12. When the slidable sleeve 131 is slid in a reverse direction, the unlocking button portion 133 b rotates under the action of the elastic restoring force of the second elastic reset member 7, and drives the hook portion 133 a to rotate, so that the hook portion 133 a is snapped into the transverse rod 12 again. The second elastic reset member 7 may be a compression spring, but is not limited thereto.

Referring to FIG. 10 to FIG. 13 , the positioning portion configured to position the locking member 133 is disposed on the transverse rod 12. The positioning portion includes a first snapping position 121 and a second snapping position 122. In this embodiment, the first snapping position 121 and the second snapping position 122 are square grooves formed on the transverse rod 12. When the hook portion 133 a of the locking member 133 is snapped into the first snapping position 121, the support leg 5 is locked in the unfolded state relative to the bottom assembly 1. When the hook portion 133 a of the locking member 133 is snapped into the second snapping position 122, the support leg 5 is locked in the folded state relative to the bottom assembly 1. The unlocking button portion 133 b is driven to rotate to drive the hook portion 133 a to rotate, so that the hook portion 133 a is disengaged from the first snapping position 121 or the second snapping position 122, thereby unlocking the slidable sleeve 131. In this way, the slidable sleeve 131 is movable along the transverse rod 12, thereby driving the support leg 5 to rotate into unfolding or folding by using the linkage member 132.

Referring to FIG. 1 and FIG. 7 to FIG. 9 , the support leg 5 includes a support leg body 51 and a telescopic portion 52. An upper end of the support leg body 51 is pivotally connected to the bottom assembly 1, and the telescopic portion 52 is disposed at a lower end of the support leg body 51 in a manner of being transversely movable. In this embodiment, when the support leg body 51 rotates inward into the folded state relative to the bottom assembly 1, the telescopic portion 52 may be driven to move to be retracted into the support leg body 51. In this way, a volume of the bed frame structure 100 after folding can be further reduced, which is more convenient for storage in comparison with other approaches. Further, the support leg 5 further includes a caster 53, and the caster 53 is pivotally connected to the telescopic portion 52. The caster 53 may be used to drive the entire bed frame structure 100 to move.

Referring to FIG. 1 , each armrest 3 is provided with an armrest locking assembly 31 configured to lock the armrest to a top of the support assembly or unlock the armrest from the top of the support assembly 2. The armrest locking assembly 31 may adopt an existing locking assembly. For example, the armrest locking assembly 31 may adopt a combination of an existing pressing member, a rotating wheel, a steel wire, and an armrest locking member 133, to drive the rotating wheel to rotate and pull the steel wire by pressing the pressing member. In this way, the steel wire is used to pull the armrest locking member 133 to be disengaged from the first rod portion 221 of the support rod 22. Therefore, the armrests 3 can be unlocked and moved downward. The structure is widely used in children's products such as cribs, and therefore details are not described herein.

The specific working principle of the bed frame structure 100 is briefly described below with reference to FIG. 1 to FIG. 9 .

When the bed frame structure 100 needs to be folded, the armrests 3 can be driven to slide down to the lowest position below the pivotally connected point 21 of the support rod 22. Then the snapping member 223 is pushed upward to move along the sliding groove 221 a, so that the snapping portion 223 b of the snapping member 223 is disengaged from the second rod portion 222. In this way, the first rod portion 221 is unlocked from the second rod portion 222. Then the first rod portion 221 on two sides is rotated inward into the folded state. Next, the unlocking button portion 133 b of the locking member 133 is pressed to drive the hook portion 133 a to rotate to be disengaged from the positioning portion of the transverse rod 12, thereby unlocking the slidable sleeve 131. The slidable sleeves 131 on two sides are driven to move inward along the transverse rod 12, thereby driving the support legs 5 to rotate into the folded state by using the linkage member 132. Finally, the telescopic portion 52 is driven to be retracted into the support leg body 51. In this way, a volume of the folded bed frame structure 100 can be further reduced, which is more convenient for storage in comparison with other approaches.

Based on the above, since the support assembly 2 of the above bed frame structure 100 is provided with pivotally connected points 21 allowing two ends of the support assembly to rotate into the folded state, and the two ends of the armrests 3 can be disposed on the two support assemblies 2 in a manner of being movable up and/or down, the two armrests 3 can be driven to slide down to positions below the pivotally connected points 21, and then the two support assemblies 2 are rotated inward into the folded state. Finally, the support legs 5 on both sides are rotated inward into folding respectively, so as to fold the bed frame structure 100. It is simple and convenient to fold, the structure is simple, and the production costs are low. Therefore, the bed frame structure is suitable for wide promotion.

Referring to FIG. 14 to FIG. 16 , the bed frame structure 100 according to another embodiment includes a bed body 10 having an accommodating space and support legs 5 capable of supporting the bed body 10. During use, infants and young children can be put in the accommodating space. Each support leg 5 is foldable relative to the bed body and has an unfolded state and a folded state.

The support leg 5 includes a support portion 331 and a bottom foot 350 connected to the support portion 331. The bottom foot 350 includes a body portion 351 and a telescopic portion 52. The telescopic portion 52 is telescopic relative to the body portion 351 and has a stretched state (as shown in FIG. 15 ) and a retracted state (as shown in FIG. 16 ). When the support leg 5 is in the folded state, the telescopic portion 52 is restrained from switching from the retracted state to the stretched state. When the support leg 5 is in the unfolded state, the telescopic portion 52 can be switched from the retracted state to the stretched state. That is to say, when the support leg 5 is in the folded state, the telescopic portion 52 is operated to retract to be in the retracted state relative to the body portion 351, the telescopic portion 52 is restrained from stretching and retraction. When the support leg is in the unfolded state, the telescopic portion 52 can be freely telescopic. When not in use, the support leg 5 is folded relative to the bed body 10 to be in a folded state, thereby restricting the switching of the telescopic portion 52 from the retracted state to the stretched state, thus effectively reducing the occupied space of the bed frame structure and facilitating storage and transportation. When the support leg 5 is in the unfolded state, the telescopic portion 52 is switched from the retracted state to the stretched state, so as to facilitate use.

It should be further noted that the body portion 351 is connected to the support portion 331, and both ends of the body portion 351 are provided with telescopic portions 52. When the telescopic portion 52 is in a stretched state relative to the body portion 351, the bed frame structure 100 can be used as a crib. When the bed frame structure 100 is used as a bedside bed, the telescopic portion 52 retracts when abutting against an adult bed, so that the telescopic portion 52 is in a retracted state relative to the body portion 351, causing the bedside bed to be closer to the adult bed and facilitating use of the bed frame structure.

Referring to FIG. 14 to FIG. 19 , the bed frame structure 100 further includes a driving portion 70 (see FIG. 22 ) provided on each support leg 5 and a locking mechanism. When the support leg 5 is in the folded state, the driving portion 70 is operated to lock the locking mechanism, such that the telescopic portion 52 is restrained from switching from the retracted state to the stretched state. When the support leg 5 is in the unfolded state, the driving portion 70 unlocks the locking mechanism, so that the telescopic portion 52 is switched from the retracted state to the stretched state. The bed body 10 has four side portions and a bottom portion. In an embodiment, when the support leg 5 is folded to the bottom of the bed body 10 to be in a folded state, the driving portion 70 is driven by the bed body 10 to snap the locking mechanism. It should be noted that any part of the bed body 10 that drives the driving portion 70 to snap the locking mechanism falls within the protection scope of this application. Further, the bed body 10 includes a frame 311 and a first portion 315 disposed at the bottom of the frame 311 (as shown in FIG. 14 ). When the support leg 5 is folded to the first portion 315 to be in the folded state, the driving portion is driven by the first portion 315 to snap the locking mechanism. The bed body 10 further includes a connecting member 313, one end of the connecting member 313 is slidably connected to the first portion 315, and other end of the connecting member 313 is connected to the support legs 5. The connecting member 313 is slid to fold the support leg 5 relative to the bed body 10. In this embodiment, the frame 311 includes an upper frame 3111, a lower frame 3113, and a plurality of posts 3115 located between the upper frame 3111 and the lower frame 3113. The first portion 315 is located at the lower frame 3113, and a structure formed by the lower frame 3113 may be understood as the bottom of the bed body 10.

Referring to FIG. 20 to FIG. 25 , the driving portion 70 has a snapping member 3711. The locking mechanism includes a locking member 355 connected to the telescopic portion 52. A positioning member 553 is disposed on the locking member 355. When the telescopic portion 52 is operated to be in the retracted state, since the telescopic portion 52 is fixedly connected to the locking member 355, the telescopic portion 52 drives the locking member 355 to retract toward the fixing portion 57, and the positioning member 553 may approach the fixing portion 57. When the support leg 5 is operated to be folded relative to the bed body 10, the driving portion 70 is compressed by the first portion 315, and the positioning member 553 is snapped into the snapping member 3711. When the positioning member 553 is snapped into the snapping member 3711, the telescopic portion 52 is always in the retracted state, that is, the telescopic portion 52 is locked and cannot stretch out. When the support leg 5 is operated to be in the unfolded state relative to the frame 311, the positioning member 553 is unlocked from the snapping member 3711. That is to say, when the support leg 5 is operated to be in the unfolded state, the first portion 315 does not apply pressure to the driving portion 70. When the driving portion 70 stretches to drive the snapping member 3711 and the positioning member 553 to unlock, under the action of the reset portion 59, the telescopic portion 52 moves away from the fixing portion 57 to be in a stretched state.

Referring to FIG. 20 to FIG. 25 , the locking mechanism further includes a fixing portion 57 mounted to the body portion 351 and a reset portion 59 located between the telescopic portion 52 and the fixing portion 57. The body portion 351 has a hollow structure, and the locking member 355, the fixing portion 57, and the reset portion 59 are located in the hollow structure. One end of the locking member 355 is fixedly connected to the telescopic portion 52, and the other end of the locking member 355 and the fixing portion 57 are slidably disposed. Further, the locking member 355 has a sliding portion 551, and the fixing portion 57 is provided with a slidable member 571 extending into the sliding portion 551. The sliding portion 551 and the slidable member 571 are in a sliding fit. When the telescopic portion 52 abuts against the adult bed, the telescopic portion 52 overcomes the elastic force of the reset portion 59 and retract into the hollow structure of the body portion 351 due to the external force, thereby driving the locking member 355 to slide toward the fixing portion 57. Under the guiding action of the slidable member 571 and the sliding portion 551, the telescopic portion 52 is retracted into the body portion 351 to be in a retracted state. Further, a first mounting groove 573 is formed in the fixing portion 57, a second mounting groove 531 is formed in the telescopic portion 52, and the reset portion 59 is located between the first mounting groove 573 and the second mounting groove 531. Specifically, the reset portion 59 may include, but is not limited to, a spring. In order to move the bed frame structure 100 more conveniently, a movable portion 533 is disposed on the telescopic portion 52.

Referring to FIG. 20 to FIG. 25 , a restoring member 90 is disposed between the fixing portion 57 and the driving portion 70. The restoring member 90 tends to drive the driving portion 70 to move away from the fixing portion 57. Specifically, the restoring member 90 may include, but is not limited to, a spring. Further, the driving portion 70 includes a driving portion body 71 and a driving pin 73 located on the driving portion body 71. The body portion 351 has a through hole, and the driving portion body 71 is located in the hollow structure of the body portion 351. In an embodiment, the driving portion body 71 and the driving pin 73 are integrally formed to prolong the service life. When the driving pin 73 extends out of the through hole, the support leg 5 is in a folded state, and the first portion 315 presses the driving pin 73. A first positioning portion 713 is disposed on the driving portion body 71. A second positioning portion 575 mated with the first positioning portion 713 is disposed on the fixing portion 57. The driving portion 70 is compressed by the first portion 315, and the second positioning portion 575 is located in the first positioning portion 713 to avoid shaking of the driving portion 70. Specifically, the second positioning portion 575 is connected to the slidable member 571 and is located on a side of the slidable member 571 facing the driving portion 70. In order to cause the first portion 315 to press the driving pin 73 more accurately and stably, the body portion 351 is provided with a limiting portion 513 for positioning the first portion 315. The limiting portion 513 includes a first limiting portion 5131 and a second limiting portion 5133 (as shown in FIG. 19 ), and the number of limiting portions 513 can be adjusted as needed, which is not limited thereto. The driving pin 73 is located between the first limiting portion 5131 and the second limiting portion 5133 after extending out of the through hole. When the support leg 5 is in the folded state, the first portion 315 presses the driving pin 73 accurately.

Referring to FIG. 27 to FIG. 34 , a resistance structure 80 is disposed on the locking member 355. The telescopic portion 52 is operated to drive the slidable member 571 to overcome the resistance structure 80 to move. That is to say, when the applied external force reaches a certain value, the telescopic portion 52 drives the slidable member 571 to pass over the resistance structure 80. That is to say, when the telescopic portion 52 is fully stretched or fully extended, a certain thrust is required to overcome the resistance structure 80, so that the slidable member can pass over the resistance structure 80, thereby preventing the telescopic portion 52 from stretching and retracting randomly. For example, the thrust can be set to but not limited to >50 newtons (N). In this way, the slidable member can pass over the resistance structure 80, so that the telescopic portion 52 is fully stretched. Therefore, the thrust can be set according to actual requirements. In an embodiment, the resistance structure 80 is located in the sliding portion 551. Specifically, the resistance structure 80 includes a buffer portion 83, and the buffer portion 83 protrudes within the sliding portion 551. When the buffer portion 83 is squeezed by the slidable member 571, the buffer portion 83 is elastically deformed.

Further, the resistance structure 80 further includes a hollow portion 81. The hollow portion 81 is disposed at a position on one or both sides of the sliding portion 551 corresponding to the buffer portion 83. When the buffer portion 83 is squeezed by the slidable member 571, the buffer portion 83 is elastically deformed toward the hollow portion 81. As shown in FIG. 29 to FIG. 34 , when the telescopic portion 52 is changed between the retracted state and the fully stretched state, the resistance of the resistance structure 80 needs to be overcome before the telescopic portion can be folded or unfolded, so that the telescopic portion 52 cannot stretch and retract freely. In this way, it is safe and reliable. The number of the resistance structures 80 may be but is not limited to one, two, or more, and the structure and shape of the resistance structure are not limited to those described in this embodiment. The external force applied to the telescopic portion 52 is used to overcome the resistance of the resistance structure 80 by pushing or pulling. Specifically, in this embodiment, when the thrust in a direction K shown in the figure is used, FIG. 33 to FIG. 34 show that the telescopic portion 52 is in a retracted state, and the slidable member 571 moves toward the buffer portion 83 under the action of the thrust (as shown in FIG. 31 to FIG. 32 ). When the elastic force of the buffer portion 83 is overcome by the thrust, the slidable member passes over the buffer portion 83 to be in a fully stretched state (as shown in FIG. 19 to FIG. 20 ).

The working principle of the bed frame structure 100 is specifically described below with reference to FIG. 14 to FIG. 34 .

When the telescopic portion 52 is in a stretched state relative to the body portion 351, the bed frame structure 100 stands stably, and the bed frame structure 100 can be used as a crib.

When the bed frame structure 100 needs to be used as a bedside bed, the bed frame structure 100 is moved close to the adult bed. The telescopic portion 52 abuts against the adult bed, and the telescopic portion 52 overcomes the elastic force of the reset portion 59 and retract into the body portion 351 due to the external force, thereby driving the locking member 355 to slide toward the fixing portion 57. Under the guiding action of the slidable member 571 and the sliding portion 551, the telescopic portion 52 is retracted into the body portion 351 to be in the retracted state, so that the bed frame structure 100 is closer to the adult bed.

When the bed frame structure 100 is not needed, the bed frame structure 100 can be folded. The support leg 5 is operated to be folded toward the bed body 10 to be in a folded state, the first portion 315 presses the driving pin 73, and the driving pin 73 drives the driving portion body 71 to overcome the elastic force of the restoring member 90 to move toward the fixing portion 57. Then the telescopic portion 52 is operated to retract, and the positioning member 553 on the locking member 355 is driven to be close to the fixing portion 57, until the snapping member 3711 is snapped into the positioning member 553, and the telescopic portion 52 is locked in a retracted state.

When the bed frame structure 100 needs to be unfolded, the support leg 5 is operated to be in the unfolded state, and the first portion 315 does not apply pressure to the driving portion 70. Under the action of the restoring member 90, the driving portion 70 is stretched to drive the snapping member 3711 to be unlocked from the positioning member 553. In addition, under the action of the reset portion 59, the telescopic portion 52 moves away from the fixing portion 57 to be in a stretched state. The connecting members 313 are assembled with the support legs 5, so that the bed frame structure 100 can be used normally.

Compared with the prior art, when the above bed frame structure 100 is not in use, the telescopic portion 52 is retracted relative to the body portion 351 to be in a retracted state. In addition, the support leg 5 is folded relative to the bed body 10 to be in a folded state, thereby restricting the transition of the telescopic portion 52 from the retracted state to the stretched state, effectively reducing the occupied space of the bed frame structure and facilitating storage and transportation. When the support leg 5 is in the unfolded state, the telescopic portion 52 is changed from the retracted state to the stretched state, so as to facilitate the use.

The foregoing disclosure includes example embodiments of this application, and is not intended to limit the protection scope of this application. Therefore, equivalent variations made according to the claims of this application shall fall within the scope of this application. 

What is claimed is:
 1. A bed frame structure, comprising: a bottom assembly; and two support assemblies, wherein bottoms of the two support assemblies are fixed to the bottom assembly, and the two support assemblies are spaced apart above the bottom assembly.
 2. The bed frame structure according to claim 1, wherein each support assembly is foldable.
 3. The bed frame structure according to claim 2, wherein the support assembly has a pivotally connected point allowing both ends of the support assembly to rotate into folding.
 4. The bed frame structure according to claim 3, further comprising two armrests spaced apart between the two support assemblies, wherein both ends of the two armrests are disposed on the two support assemblies in a manner of being movable up and down, the bottom assembly, the two support assemblies, the two armrests cooperatively form a rest space, and when the two armrests are slid down to positions below the pivotally connected points, the two support assemblies are folded respectively.
 5. The bed frame structure according to claim 4, wherein the support assembly comprises two support rods and a connecting rod, the pivotally connected point is disposed between two ends of the support rod, the connecting rod is fixedly connected between the two support rods, ends of the two support rods are respectively fixed to the bottom assembly, and the two armrests are disposed on the two support rods in a manner of being movable up and down.
 6. The bed frame structure according to claim 5, wherein each support rod comprises a first rod portion and a second rod portion, the first rod portion and the second rod portion are pivotally connected by the pivotally connected point, and the second rod portion is fixed to the bottom assembly.
 7. The bed frame structure according to claim 6, wherein the support rod further comprises a snapping member, one end of the snapping member is movably disposed on one of the first rod portion and the second rod portion, the other end of the snapping member is snapped into the other one of the first rod portion and the second rod portion, the snapping member is driven to move to be disengaged from the first rod portion or the second rod portion, such that the first rod portion is rotatable into folding relative to the second rod portion.
 8. The bed frame structure according to claim 7, wherein one of the first rod portion or the second rod portion includes a sliding groove, the other one of the first rod portion or the second rod portion includes a snapping groove, the snapping member comprises a slidable portion and a snapping portion connected to the slidable portion, the slidable portion is movably disposed in the sliding groove, and the snapping portion is snapped in the snapping groove.
 9. The bed frame structure according to claim 7, wherein the support assembly further comprises a first elastic reset member configured to reset the snapping member, and the first elastic reset member is disposed between one of the first rod portion and the second rod portion, and the snapping member.
 10. The bed frame structure according to claim 4, wherein at least one armrest of the two armrests is provided with an armrest locking assembly configured to lock the at least one armrest to a top of the support assembly or unlock the at least one armrest from the top of the support assembly.
 11. The bed frame structure according to claim 1, further comprising two support legs spaced apart below the bottom assembly.
 12. The bed frame structure according to claim 11, wherein the bottom assembly comprises four bottom rods, the four bottom rods are fixedly connected in sequence to form a closed structure, and the two support legs are respectively connected to two opposite bottom rods.
 13. The bed frame structure according to claim 12, wherein each support leg is pivotally connected to each bottom rod.
 14. The bed frame structure according to claim 13, wherein the support leg is rotatable into folding relative to the bottom rod.
 15. The bed frame structure according to claim 14, wherein the bottom assembly further comprises a transverse rod and two sliding assemblies, the transverse rod is connected between the two opposite bottom rods, one end of each sliding assembly is slidably disposed on the transverse rod, the other end of the sliding assembly is pivotally connected to the support leg, and the sliding assembly is slid along the transverse rod to drive the support leg to rotate into folding.
 16. The bed frame structure according to claim 15, wherein at least one sliding assembly of the two sliding assemblies comprises a slidable sleeve and a linkage member, the slidable sleeve is slidably disposed on the transverse rod, one end of the linkage member is pivotally connected to the slidable sleeve, and the other end of the linkage member is pivotally connected to the support leg.
 17. The bed frame structure according to claim 16, wherein the at least one sliding assembly further comprises a locking member, the locking member is disposed on the slidable sleeve and selectively snapped into the transverse rod, when the locking member is operated to be disengaged from the transverse rod, the slidable sleeve is slidable along the transverse rod.
 18. The bed frame structure according to claim 17, wherein the locking member comprises a hook portion and an unlocking button portion connected to the hook portion, the hook portion is selectively snapped into the transverse rod, the unlocking button portion is pivotally connected to the slidable sleeve, and the unlocking button portion is driven to rotate to drive the hook portion to be disengaged from the transverse rod.
 19. The bed frame structure according to claim 18, wherein the at least one sliding assembly further comprises a second elastic reset member configured to reset the unlocking button portion, and the second elastic reset member is disposed between the unlocking button portion and the slidable sleeve.
 20. The bed frame structure according to claim 17, wherein the transverse rod is provided with a positioning portion configured to position the locking member.
 21. The bed frame structure according to claim 20, wherein the positioning portion comprises a first snapping position, and the locking member is snapped into the first snapping position to lock the two support legs in an unfolded state relative to the bottom assembly.
 22. The bed frame structure according to claim 21, wherein the positioning portion further comprises a second snapping position, and the locking member is snapped into the second snapping position to lock the two support legs in a folded state relative to the bottom assembly.
 23. The bed frame structure according to claim 11, wherein at least one support leg of the two support legs comprises a support leg body and a telescopic portion, an upper end of the support leg body is connected to the bottom assembly, and the telescopic portion is disposed at a lower end of the support leg body in a manner of being transversely movable.
 24. The bed frame structure according to claim 23, wherein the at least one support leg further comprises a caster pivotally connected to the telescopic portion. 